using Markdig;

using MfGames.Markdown.Extensions;
using MfGames.Markdown.Gemtext.Extensions;
using MfGames.Markdown.Gemtext.Renderers;
using MfGames.TestSetup;

using Xunit;
using Xunit.Abstractions;

namespace MfGames.Markdown.Gemtext.Tests;

/// <summary>
/// Tests the functionality of the WriteFiles().
/// </summary>
public class WikiLinkTest : TestBase<TestContext>
{
    public WikiLinkTest(ITestOutputHelper output)
        : base(output)
    {
    }

    [Fact]
    public void PossessiveLabeledWikiLinkGemtext()
    {
        MarkdownPipeline pipeline = CreatePipeline();
        string result = MarkdownGemtext
            .ToGemtext(
                "[[Test|Label]]'s",
                pipeline)
            .Replace("%5E", "^");

        Assert.Equal("=> ^test$ Label's", result);
    }

    private static MarkdownPipeline CreatePipeline()
    {
        // Convert all titles to slugs.
        WikiLinkOptions options = new()
        {
            GetUrl = (title) => string.Format(
                "^{0}$",
                title.ToLowerInvariant().Replace(" ", "-")),
        };

        // Create the pipeline and return the results.
        MarkdownPipelineBuilder builder = new MarkdownPipelineBuilder()
            .Use(new WikiLinkExtension(options))
            .Use(new SetBlockLinkHandling(BlockLinkHandling.DocumentEnd));

        // Build the pipeline and return it.
        MarkdownPipeline pipeline = builder.Build();

        return pipeline;
    }
}